<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动画学习</title>
    <style>
        @keyframes test {
            0% {
                transform: translate(0, 0);
            }
            25% {
                transform: translate(1000px, 0px)
            }
            50% {
                transform: translate(1000px, 500px)
            }
            75% {
                transform: translate(0px, 500px)
            }
            100% {
                transform: translateY(0px, 0px);
            }
        }
        
        .box {
            width: 200px;
            height: 200px;
            background-color: black;
            animation-name: test;
            animation-duration: 15s;
        }
    </style>



</head>

<body>

    <div class="box">



    </div>


</body>

</html>